Look, I don't expect every local forecast to launch into an in-depth scientific explanation of the greenhouse effect. But at the end of a long piece on a heat wave, couldn't you drop in, "Scientists say these trends are exactly what we can expect more of in a warming world"?

UPDATE 3/17: Josephine Marcotty of Minneapolis Star Tribune gets it right. “There is a lot of scientific evidence saying that climate change is causing more extremes,” says William Glesener of the Minnesota Department of Natural Resources